#!/bin/sh

# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 2009-2014 Stephan Raue (stephan@openelec.tv)

if [ -e /storage/.please_resize_me ] ; then
  . /usr/lib/libreelec/functions

  hidecursor

  # this sh** was never intended to be used
  # on already installed and runing system
  if [ -d /storage/.config -o -d /storage/.cache ] ; then
    rm -f /storage/.please_resize_me
    sync
    echo "Resizing is not permitted - the system has already been initialised."
    StartProgress countdown "Rebooting in 15s... " 15 "NOW"
    reboot -f
  fi

  # get the disk. /storage on 2nd partition
  PART=$(grep "/storage " /proc/mounts | cut -d" " -f1 | grep '2$')

  # get disk: /dev/sdx2 -> /dev/sdx, /dev/mmcblkxp2 -> /dev/mmcblkx
  case $PART in
    "/dev/mmcblk"*)
      DISK=$(echo $PART | sed s/p2$//g)
      ;;
    *)
      DISK=$(echo $PART | sed s/2$//g)
      ;;
  esac

  rm -f /storage/.please_resize_me
  sync

  # just in case
  if [ ! -z "$DISK" -a ! -z "$PART" ] ; then
    umount $PART

    echo "PARTITION RESIZING IN PROGRESS"
    echo ""
    echo "Please do not reboot or turn off your @DISTRONAME@ device!"
    echo ""

    # identify the partition scheme, and if gpt fix minor issues such as gpt header not at end of disk
    SCHEME=$(blkid -s PTTYPE -o value $DISK)
    if [ "$SCHEME" = "gpt" ]; then
      StartProgress spinner "Checking layout...      " "sgdisk -e $DISK &>/dev/null"
    fi

    StartProgress spinner "Resizing partition...   " "parted -s -m $DISK resizepart 2 100% &>/dev/null"
    StartProgress spinner "Checking file system... " "e2fsck -f -p $PART &>/dev/null"
    StartProgress spinner "Resizing file system... " "resize2fs $PART &>/dev/null"
    StartProgress countdown "Rebooting in 2s...     " 2 "NOW"
  fi
fi
reboot -f &>/dev/null
